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Plant-Microbiome Interaction and the Effects of Biotic and Abiotic Components in Agroecosystem

  • Indramani Kumar
  • Moumita Mondal
  • Raman Gurusamy
  • Sundarakrishnan Balakrishnan
  • Sakthivel Natarajan
Chapter
First Online:

Abstract

A myriad of microorganisms colonizes the plant habitats and influences the flora and fauna along with the soil microenvironments. These microbes dwell in three major compartments such as spermosphere, rhizosphere, and phyllosphere. Plant rhizodeposits are the root exudates that determine the nature of root-colonizing microbes. Plant microbiome is also influenced by multiple biotic and abiotic factors. The functions of ecosystems are closely modulated by the plant and soil microbiome and their signal-mediated complex communications. These interactions facilitate the biogeochemical cycles of nutrients and minerals. Furthermore, these interactions regulate nutrient uptake of plants, growth promotion, and lead to the increase of resistance and suppression of plant pests and pathogens, reduction of soil pollutants, and soil health. Thus, understanding the biodiversity, dynamics, and interactions of a microbiome is required for a sustainable agroecosystem. The present chapter explains the microbial biodiversity, the plant-microbiome interaction, and the effects of biotic and abiotic components in the agroecosystem.

Keywords

Microbial functions Phyllosphere Plant habitats Rhizosphere Soil health 
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Notes

Acknowledgments

The authors thank the University Grant Commission, New Delhi, for financial support through University Research Fellowship to Indramani Kumar and Rajiv Gandhi National Fellowship to Moumita Mondal. The authors also thank UGC-SAP and DST-FIST programs coordinated by Prof. N. Sakthivel for providing infrastructure facilities.

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Authors and Affiliations

  • Indramani Kumar
    • 1
  • Moumita Mondal
    • 1
  • Raman Gurusamy
    • 2
  • Sundarakrishnan Balakrishnan
    • 1
  • Sakthivel Natarajan
    • 1
  1. 1.Department of Biotechnology, School of Life SciencesPondicherry UniversityPuducherryIndia
  2. 2.Department of Life SciencesYeungnam UniversityGyeongsanRepublic of Korea

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